Gem (active_paypal_adaptive_payment) を使用した事前承認支払いのコントローラ サンプル

gistfile1.rb

class PaypalController < ApplicationController
  def approval
    raise "not loggined" unless login_user

    @approval = Approval.find_or_create_by :user_id => login_user.id, :item_id => params[:item_id]
    raise "subscribed!" if @approval.key

    start_date = Time.now.gmtime
    end_date = 3.months.from_now.gmttime

    r= PaypalGateway.preapprove_payment :return_url => url_for(:action=> :complete, :only_path=> false),
      :cancel_url => url_for(:action=> :cancel, :only_path=> false),
      :start_date => start_date,
      :end_date => end_date,
      :currency_code =>"JPY",
      :max_amount => "20000",
      :max_number_of_payments => "300"
      # :ipn_url => url_for(:action=> :ipn, :only_path=> false),

    raise "error" unless r["preapproval_key"]
    @approval.key = r["preapproval_key"]
    @approval.save
    redirect_to PaypalGateway.redirect_pre_approval_url_for(r["preapproval_key"])
  end
  def complete
    @approval = Approval.where(:item_id=> params[:item_id], :user_id=> login_user.id).one
    r = PaypalGateway.preapproval_details_for :preapproval_key => @approval.key
    @approval.approved = r["approved"]
    @approval.save
    redirect_to item_path(params[:item_id])
  end
  def cancel
  end
  def ipn
  end
end